MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as a Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm used for phishing or malware distribution. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this. No scripts were extracted, but the overall structure points to a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://vietnaminsight.biz/ckfinder/userfiles/files/vivosazapijera.pdf
- http://hoaiduc.edu.vn/ckfinder/userfiles/files/36426530885.pdf
- http://kodemari.info/data/files/51883761712.pdf
- https://aadharshilaschool.org/userfiles/file/31798599558.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/r7rnm8eor5f2pst1kt76mskj2m/39521809099.pdf
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/b622c7b6174dba79fe617ba0aa0550c5/fanemorutarowebigisowir.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/6837989442d61818ae9c05cc8f1865d8/podezesoriromabuxaliluz.pdf
- http://hakkabrothers.com/userfiles/file///25909826109.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/5f192bbb4776f376894e8c43fae4f1e1/70563945524.pdf
- https://ofertaromania.ro/ckfinder/userfiles/files/rujolurifefisoniw.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/81e600ec2828c3a04ce9c6b0b2668074/tepazadagejija.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/5e7578e73d8075d6d3aaa279b2639a47/27522245864.pdf
- http://iccj.jp/images/uploads/fckeditor/file/keduviwodofometikenizoj.pdf
- http://www.examnotice.in/uploads/files/xuxifeluwu.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa95840ece1---rolebifuzafiron.pdf
- http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/27157160031.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d9a0cbd58---7271961828.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/1b2e10be84dc0fcf6fa6cfa6c51a54ce/furozafezi.pdf
- http://odontotecnicacoop.it/userfiles/file/70233078743.pdf
- https://performanshost.com/calisma2/files/uploads/46871381596.pdf
- http://mientaytourist.com/uploads/files/nawudulavidirevagareze.pdf
- http://hidra.it/ckfinder/userfiles/files/satimupumarotujike.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=griffin+y+moorhead+comportamiento+organizacional+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbf7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBF7 | 16792 bytes |
font_01_sfnt_off0000e409.bin94746197edc3aa670dd0d8ba10e9b52b04da306cd296a85217acd92925bca3db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE409 | 19232 bytes |
font_02_sfnt_off000114ae.bin3b32ec6e10a779682040804fbabf6820b325eea90d4033dbf2968f934583a522 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114AE | 11112 bytes |
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